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Revert "LoongArch: Add cfi instructions for _dl_tlsdesc_dynamic"
We're in freeze for the 2.40 release.
This reverts commit 43224b1379.
Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
This commit is contained in:
Andreas K. Hüttel
parent
6ed76f4efc
commit
910aae6e5a
@ -223,13 +223,6 @@ elf_machine_rela (struct link_map *map, struct r_scope_elem *scope[],
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{
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td->arg = _dl_make_tlsdesc_dynamic (sym_map,
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sym->st_value + reloc->r_addend);
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# ifndef __loongarch_soft_float
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if (RTLD_SUPPORT_LASX)
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td->entry = _dl_tlsdesc_dynamic_lasx;
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else if (RTLD_SUPPORT_LSX)
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td->entry = _dl_tlsdesc_dynamic_lsx;
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else
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# endif
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td->entry = _dl_tlsdesc_dynamic;
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}
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else
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@ -1,225 +0,0 @@
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/* Thread-local storage handling in the ELF dynamic linker.
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LoongArch version.
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Copyright (C) 2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#define FRAME_SIZE (-((-14 * SZREG) & ALMASK))
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#define FRAME_SIZE_LSX (-((-32 * SZVREG) & ALMASK))
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#define FRAME_SIZE_LASX (-((-32 * SZXREG) & ALMASK))
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#define FRAME_SIZE_FLOAT (-((-24 * SZFREG) & ALMASK))
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/* Handler for dynamic TLS symbols.
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Prototype:
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_dl_tlsdesc_dynamic (tlsdesc *) ;
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The second word of the descriptor points to a
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tlsdesc_dynamic_arg structure.
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Returns the offset between the thread pointer and the
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object referenced by the argument.
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ptrdiff_t
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_dl_tlsdesc_dynamic (struct tlsdesc *tdp)
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{
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struct tlsdesc_dynamic_arg *td = tdp->arg;
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dtv_t *dtv = *(dtv_t **)((char *)__thread_pointer - SIZE_OF_TCB);
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if (__glibc_likely (td->gen_count <= dtv[0].counter
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&& (dtv[td->tlsinfo.ti_module].pointer.val
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!= TLS_DTV_UNALLOCATED),
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1))
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return dtv[td->tlsinfo.ti_module].pointer.val
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+ td->tlsinfo.ti_offset
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- __thread_pointer;
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return ___tls_get_addr (&td->tlsinfo) - __thread_pointer;
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} */
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.hidden _dl_tlsdesc_dynamic
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.global _dl_tlsdesc_dynamic
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.type _dl_tlsdesc_dynamic,%function
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cfi_startproc
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.align 2
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_dl_tlsdesc_dynamic:
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/* Save just enough registers to support fast path, if we fall
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into slow path we will save additional registers. */
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ADDI sp, sp, -32
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cfi_adjust_cfa_offset (32)
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REG_S t0, sp, 0
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REG_S t1, sp, 8
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REG_S t2, sp, 16
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cfi_rel_offset (12, 0)
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cfi_rel_offset (13, 8)
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cfi_rel_offset (14, 16)
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/* Runtime Storage Layout of Thread-Local Storage
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TP point to the start of TLS block.
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dtv
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Low address TCB ----------------> dtv0(counter)
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TP --> static_block0 <----- dtv1
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static_block1 <----- dtv2
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static_block2 <----- dtv3
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dynamic_block0 <----- dtv4
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Hign address dynamic_block1 <----- dtv5 */
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REG_L t0, tp, -SIZE_OF_TCB /* t0 = dtv */
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REG_L a0, a0, TLSDESC_ARG /* a0(td) = tdp->arg */
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REG_L t1, a0, TLSDESC_GEN_COUNT /* t1 = td->gen_count */
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REG_L t2, t0, DTV_COUNTER /* t2 = dtv[0].counter */
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/* If dtv[0].counter < td->gen_count, goto slow path. */
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bltu t2, t1, .Lslow
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REG_L t1, a0, TLSDESC_MODID /* t1 = td->tlsinfo.ti_module */
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/* t1 = t1 * sizeof(dtv_t) = t1 * (2 * sizeof(void*)) */
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slli.d t1, t1, 4
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add.d t1, t1, t0 /* t1 = dtv[td->tlsinfo.ti_module] */
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REG_L t1, t1, 0 /* t1 = dtv[td->tlsinfo.ti_module].pointer.val */
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li.d t2, TLS_DTV_UNALLOCATED
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/* If dtv[td->tlsinfo.ti_module].pointer.val is TLS_DTV_UNALLOCATED,
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goto slow path. */
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beq t1, t2, .Lslow
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cfi_remember_state
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REG_L t2, a0, TLSDESC_MODOFF /* t2 = td->tlsinfo.ti_offset */
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/* dtv[td->tlsinfo.ti_module].pointer.val + td->tlsinfo.ti_offset */
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add.d a0, t1, t2
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.Lret:
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sub.d a0, a0, tp
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REG_L t0, sp, 0
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REG_L t1, sp, 8
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REG_L t2, sp, 16
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ADDI sp, sp, 32
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cfi_adjust_cfa_offset (-32)
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RET
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.Lslow:
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/* This is the slow path. We need to call __tls_get_addr() which
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means we need to save and restore all the register that the
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callee will trash. */
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/* Save the remaining registers that we must treat as caller save. */
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cfi_restore_state
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ADDI sp, sp, -FRAME_SIZE
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cfi_adjust_cfa_offset (FRAME_SIZE)
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REG_S ra, sp, 0 * SZREG
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REG_S a1, sp, 1 * SZREG
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REG_S a2, sp, 2 * SZREG
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REG_S a3, sp, 3 * SZREG
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REG_S a4, sp, 4 * SZREG
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REG_S a5, sp, 5 * SZREG
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REG_S a6, sp, 6 * SZREG
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REG_S a7, sp, 7 * SZREG
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REG_S t3, sp, 8 * SZREG
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REG_S t4, sp, 9 * SZREG
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REG_S t5, sp, 10 * SZREG
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REG_S t6, sp, 11 * SZREG
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REG_S t7, sp, 12 * SZREG
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REG_S t8, sp, 13 * SZREG
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cfi_rel_offset (1, 0 * SZREG)
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cfi_rel_offset (5, 1 * SZREG)
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cfi_rel_offset (6, 2 * SZREG)
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cfi_rel_offset (7, 3 * SZREG)
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cfi_rel_offset (8, 4 * SZREG)
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cfi_rel_offset (9, 5 * SZREG)
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cfi_rel_offset (10, 6 * SZREG)
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cfi_rel_offset (11, 7 * SZREG)
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cfi_rel_offset (15, 8 * SZREG)
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cfi_rel_offset (16, 9 * SZREG)
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cfi_rel_offset (17, 10 * SZREG)
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cfi_rel_offset (18, 11 * SZREG)
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cfi_rel_offset (19, 12 * SZREG)
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cfi_rel_offset (20, 13 * SZREG)
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#ifndef __loongarch_soft_float
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/* Save fcsr0 register.
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Only one physical fcsr0 register, fcsr1-fcsr3 are aliases
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of some fields in fcsr0. */
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movfcsr2gr t0, fcsr0
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st.w t0, sp, FRAME_SIZE + 24 /* Use the spare slot above t2. */
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#ifdef USE_LASX
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#define V_REG_S xvst
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#define V_REG_L xvld
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#define V_SPACE FRAME_SIZE_LASX
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#define V_REG(n) $xr##n
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#define V_REGS 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, \
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17,18,19,20,21,22,23,24,25,26,27,28,29,30,31
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#define V_REGSZ SZXREG
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#elif defined USE_LSX
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#define V_REG_S vst
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#define V_REG_L vld
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#define V_SPACE FRAME_SIZE_LSX
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#define V_REG(n) $vr##n
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#define V_REGS 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, \
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17,18,19,20,21,22,23,24,25,26,27,28,29,30,31
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#define V_REGSZ SZVREG
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#else
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#define V_REG_S fst.d
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#define V_REG_L fld.d
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#define V_SPACE FRAME_SIZE_FLOAT
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#define V_REG(n) $f##n
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#define V_REGS 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23
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#define V_REGSZ SZFREG
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#endif
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ADDI sp, sp, -V_SPACE
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cfi_adjust_cfa_offset (V_SPACE)
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.irp i,V_REGS
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V_REG_S V_REG(\i), sp, \i * V_REGSZ
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.endr
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#endif /* #ifndef __loongarch_soft_float */
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bl HIDDEN_JUMPTARGET(__tls_get_addr)
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ADDI a0, a0, -TLS_DTV_OFFSET
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#ifndef __loongarch_soft_float
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.irp i,V_REGS
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V_REG_L V_REG(\i), sp, \i * V_REGSZ
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.endr
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ADDI sp, sp, V_SPACE
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cfi_adjust_cfa_offset (-V_SPACE)
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/* Restore fcsr0 register. */
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ld.w t0, sp, FRAME_SIZE + 24
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movgr2fcsr fcsr0, t0
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#endif /* #ifndef __loongarch_soft_float */
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REG_L ra, sp, 0 * SZREG
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REG_L a1, sp, 1 * SZREG
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REG_L a2, sp, 2 * SZREG
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REG_L a3, sp, 3 * SZREG
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REG_L a4, sp, 4 * SZREG
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REG_L a5, sp, 5 * SZREG
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REG_L a6, sp, 6 * SZREG
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REG_L a7, sp, 7 * SZREG
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REG_L t3, sp, 8 * SZREG
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REG_L t4, sp, 9 * SZREG
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REG_L t5, sp, 10 * SZREG
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REG_L t6, sp, 11 * SZREG
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REG_L t7, sp, 12 * SZREG
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REG_L t8, sp, 13 * SZREG
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ADDI sp, sp, FRAME_SIZE
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cfi_adjust_cfa_offset (-FRAME_SIZE)
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b .Lret
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cfi_endproc
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.size _dl_tlsdesc_dynamic, .-_dl_tlsdesc_dynamic
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.hidden HIDDEN_JUMPTARGET(__tls_get_addr)
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@ -59,34 +59,376 @@ _dl_tlsdesc_undefweak:
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cfi_endproc
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.size _dl_tlsdesc_undefweak, .-_dl_tlsdesc_undefweak
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#ifdef SHARED
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#define FRAME_SIZE (-((-14 * SZREG) & ALMASK))
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#define FRAME_SIZE_LSX (-((-32 * SZVREG) & ALMASK))
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#define FRAME_SIZE_LASX (-((-32 * SZXREG) & ALMASK))
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#define FRAME_SIZE_FLOAT (-((-24 * SZFREG) & ALMASK))
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/* Handler for dynamic TLS symbols.
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Prototype:
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_dl_tlsdesc_dynamic (tlsdesc *) ;
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The second word of the descriptor points to a
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tlsdesc_dynamic_arg structure.
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Returns the offset between the thread pointer and the
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object referenced by the argument.
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ptrdiff_t
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_dl_tlsdesc_dynamic (struct tlsdesc *tdp)
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{
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struct tlsdesc_dynamic_arg *td = tdp->arg;
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dtv_t *dtv = *(dtv_t **)((char *)__thread_pointer - SIZE_OF_TCB);
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if (__glibc_likely (td->gen_count <= dtv[0].counter
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&& (dtv[td->tlsinfo.ti_module].pointer.val
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!= TLS_DTV_UNALLOCATED),
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1))
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return dtv[td->tlsinfo.ti_module].pointer.val
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+ td->tlsinfo.ti_offset
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- __thread_pointer;
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return ___tls_get_addr (&td->tlsinfo) - __thread_pointer;
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} */
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.hidden _dl_tlsdesc_dynamic
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.global _dl_tlsdesc_dynamic
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.type _dl_tlsdesc_dynamic,%function
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cfi_startproc
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.align 2
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_dl_tlsdesc_dynamic:
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/* Save just enough registers to support fast path, if we fall
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into slow path we will save additional registers. */
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ADDI sp, sp, -32
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REG_S t0, sp, 0
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REG_S t1, sp, 8
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REG_S t2, sp, 16
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/* Runtime Storage Layout of Thread-Local Storage
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TP point to the start of TLS block.
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dtv
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Low address TCB ----------------> dtv0(counter)
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TP --> static_block0 <----- dtv1
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static_block1 <----- dtv2
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static_block2 <----- dtv3
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dynamic_block0 <----- dtv4
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Hign address dynamic_block1 <----- dtv5 */
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REG_L t0, tp, -SIZE_OF_TCB /* t0 = dtv */
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REG_L a0, a0, TLSDESC_ARG /* a0(td) = tdp->arg */
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REG_L t1, a0, TLSDESC_GEN_COUNT /* t1 = td->gen_count */
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REG_L t2, t0, DTV_COUNTER /* t2 = dtv[0].counter */
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/* If dtv[0].counter < td->gen_count, goto slow path. */
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bltu t2, t1, .Lslow
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REG_L t1, a0, TLSDESC_MODID /* t1 = td->tlsinfo.ti_module */
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/* t1 = t1 * sizeof(dtv_t) = t1 * (2 * sizeof(void*)) */
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slli.d t1, t1, 4
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add.d t1, t1, t0 /* t1 = dtv[td->tlsinfo.ti_module] */
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REG_L t1, t1, 0 /* t1 = dtv[td->tlsinfo.ti_module].pointer.val */
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li.d t2, TLS_DTV_UNALLOCATED
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/* If dtv[td->tlsinfo.ti_module].pointer.val is TLS_DTV_UNALLOCATED,
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goto slow path. */
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beq t1, t2, .Lslow
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REG_L t2, a0, TLSDESC_MODOFF /* t2 = td->tlsinfo.ti_offset */
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/* dtv[td->tlsinfo.ti_module].pointer.val + td->tlsinfo.ti_offset */
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add.d a0, t1, t2
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.Lret:
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sub.d a0, a0, tp
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REG_L t0, sp, 0
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REG_L t1, sp, 8
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REG_L t2, sp, 16
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ADDI sp, sp, 32
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RET
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.Lslow:
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/* This is the slow path. We need to call __tls_get_addr() which
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means we need to save and restore all the register that the
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callee will trash. */
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/* Save the remaining registers that we must treat as caller save. */
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ADDI sp, sp, -FRAME_SIZE
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REG_S ra, sp, 0 * SZREG
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REG_S a1, sp, 1 * SZREG
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REG_S a2, sp, 2 * SZREG
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REG_S a3, sp, 3 * SZREG
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REG_S a4, sp, 4 * SZREG
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REG_S a5, sp, 5 * SZREG
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REG_S a6, sp, 6 * SZREG
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REG_S a7, sp, 7 * SZREG
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REG_S t3, sp, 8 * SZREG
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REG_S t4, sp, 9 * SZREG
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REG_S t5, sp, 10 * SZREG
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REG_S t6, sp, 11 * SZREG
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REG_S t7, sp, 12 * SZREG
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REG_S t8, sp, 13 * SZREG
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#ifndef __loongarch_soft_float
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#define USE_LASX
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#define _dl_tlsdesc_dynamic _dl_tlsdesc_dynamic_lasx
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#define Lret Lret_lasx
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#define Lslow Lslow_lasx
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#include "dl-tlsdesc-dynamic.h"
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#undef FRAME_SIZE
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#undef USE_LASX
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#undef _dl_tlsdesc_dynamic
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#undef Lret
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#undef Lslow
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/* Save fcsr0 register.
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Only one physical fcsr0 register, fcsr1-fcsr3 are aliases
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of some fields in fcsr0. */
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movfcsr2gr t0, fcsr0
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st.w t0, sp, FRAME_SIZE + 24 /* Use the spare slot above t2 */
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#define USE_LSX
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#define _dl_tlsdesc_dynamic _dl_tlsdesc_dynamic_lsx
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#define Lret Lret_lsx
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#define Lslow Lslow_lsx
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#include "dl-tlsdesc-dynamic.h"
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#undef FRAME_SIZE
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#undef USE_LSX
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#undef _dl_tlsdesc_dynamic
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#undef Lret
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#undef Lslow
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/* Whether support LASX. */
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la.global t0, _rtld_global_ro
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REG_L t0, t0, GLRO_DL_HWCAP_OFFSET
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andi t1, t0, HWCAP_LOONGARCH_LASX
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beqz t1, .Llsx
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/* Save 256-bit vector registers.
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FIXME: Without vector ABI, save all vector registers. */
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ADDI sp, sp, -FRAME_SIZE_LASX
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xvst xr0, sp, 0*SZXREG
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xvst xr1, sp, 1*SZXREG
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xvst xr2, sp, 2*SZXREG
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xvst xr3, sp, 3*SZXREG
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xvst xr4, sp, 4*SZXREG
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xvst xr5, sp, 5*SZXREG
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xvst xr6, sp, 6*SZXREG
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xvst xr7, sp, 7*SZXREG
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xvst xr8, sp, 8*SZXREG
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xvst xr9, sp, 9*SZXREG
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xvst xr10, sp, 10*SZXREG
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xvst xr11, sp, 11*SZXREG
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xvst xr12, sp, 12*SZXREG
|
||||
xvst xr13, sp, 13*SZXREG
|
||||
xvst xr14, sp, 14*SZXREG
|
||||
xvst xr15, sp, 15*SZXREG
|
||||
xvst xr16, sp, 16*SZXREG
|
||||
xvst xr17, sp, 17*SZXREG
|
||||
xvst xr18, sp, 18*SZXREG
|
||||
xvst xr19, sp, 19*SZXREG
|
||||
xvst xr20, sp, 20*SZXREG
|
||||
xvst xr21, sp, 21*SZXREG
|
||||
xvst xr22, sp, 22*SZXREG
|
||||
xvst xr23, sp, 23*SZXREG
|
||||
xvst xr24, sp, 24*SZXREG
|
||||
xvst xr25, sp, 25*SZXREG
|
||||
xvst xr26, sp, 26*SZXREG
|
||||
xvst xr27, sp, 27*SZXREG
|
||||
xvst xr28, sp, 28*SZXREG
|
||||
xvst xr29, sp, 29*SZXREG
|
||||
xvst xr30, sp, 30*SZXREG
|
||||
xvst xr31, sp, 31*SZXREG
|
||||
b .Ltga
|
||||
|
||||
.Llsx:
|
||||
/* Whether support LSX. */
|
||||
andi t1, t0, HWCAP_LOONGARCH_LSX
|
||||
beqz t1, .Lfloat
|
||||
|
||||
/* Save 128-bit vector registers. */
|
||||
ADDI sp, sp, -FRAME_SIZE_LSX
|
||||
vst vr0, sp, 0*SZVREG
|
||||
vst vr1, sp, 1*SZVREG
|
||||
vst vr2, sp, 2*SZVREG
|
||||
vst vr3, sp, 3*SZVREG
|
||||
vst vr4, sp, 4*SZVREG
|
||||
vst vr5, sp, 5*SZVREG
|
||||
vst vr6, sp, 6*SZVREG
|
||||
vst vr7, sp, 7*SZVREG
|
||||
vst vr8, sp, 8*SZVREG
|
||||
vst vr9, sp, 9*SZVREG
|
||||
vst vr10, sp, 10*SZVREG
|
||||
vst vr11, sp, 11*SZVREG
|
||||
vst vr12, sp, 12*SZVREG
|
||||
vst vr13, sp, 13*SZVREG
|
||||
vst vr14, sp, 14*SZVREG
|
||||
vst vr15, sp, 15*SZVREG
|
||||
vst vr16, sp, 16*SZVREG
|
||||
vst vr17, sp, 17*SZVREG
|
||||
vst vr18, sp, 18*SZVREG
|
||||
vst vr19, sp, 19*SZVREG
|
||||
vst vr20, sp, 20*SZVREG
|
||||
vst vr21, sp, 21*SZVREG
|
||||
vst vr22, sp, 22*SZVREG
|
||||
vst vr23, sp, 23*SZVREG
|
||||
vst vr24, sp, 24*SZVREG
|
||||
vst vr25, sp, 25*SZVREG
|
||||
vst vr26, sp, 26*SZVREG
|
||||
vst vr27, sp, 27*SZVREG
|
||||
vst vr28, sp, 28*SZVREG
|
||||
vst vr29, sp, 29*SZVREG
|
||||
vst vr30, sp, 30*SZVREG
|
||||
vst vr31, sp, 31*SZVREG
|
||||
b .Ltga
|
||||
|
||||
.Lfloat:
|
||||
/* Save float registers. */
|
||||
ADDI sp, sp, -FRAME_SIZE_FLOAT
|
||||
FREG_S fa0, sp, 0*SZFREG
|
||||
FREG_S fa1, sp, 1*SZFREG
|
||||
FREG_S fa2, sp, 2*SZFREG
|
||||
FREG_S fa3, sp, 3*SZFREG
|
||||
FREG_S fa4, sp, 4*SZFREG
|
||||
FREG_S fa5, sp, 5*SZFREG
|
||||
FREG_S fa6, sp, 6*SZFREG
|
||||
FREG_S fa7, sp, 7*SZFREG
|
||||
FREG_S ft0, sp, 8*SZFREG
|
||||
FREG_S ft1, sp, 9*SZFREG
|
||||
FREG_S ft2, sp, 10*SZFREG
|
||||
FREG_S ft3, sp, 11*SZFREG
|
||||
FREG_S ft4, sp, 12*SZFREG
|
||||
FREG_S ft5, sp, 13*SZFREG
|
||||
FREG_S ft6, sp, 14*SZFREG
|
||||
FREG_S ft7, sp, 15*SZFREG
|
||||
FREG_S ft8, sp, 16*SZFREG
|
||||
FREG_S ft9, sp, 17*SZFREG
|
||||
FREG_S ft10, sp, 18*SZFREG
|
||||
FREG_S ft11, sp, 19*SZFREG
|
||||
FREG_S ft12, sp, 20*SZFREG
|
||||
FREG_S ft13, sp, 21*SZFREG
|
||||
FREG_S ft14, sp, 22*SZFREG
|
||||
FREG_S ft15, sp, 23*SZFREG
|
||||
|
||||
#endif /* #ifndef __loongarch_soft_float */
|
||||
|
||||
#include "dl-tlsdesc-dynamic.h"
|
||||
.Ltga:
|
||||
bl HIDDEN_JUMPTARGET(__tls_get_addr)
|
||||
ADDI a0, a0, -TLS_DTV_OFFSET
|
||||
|
||||
#ifndef __loongarch_soft_float
|
||||
|
||||
la.global t0, _rtld_global_ro
|
||||
REG_L t0, t0, GLRO_DL_HWCAP_OFFSET
|
||||
andi t1, t0, HWCAP_LOONGARCH_LASX
|
||||
beqz t1, .Llsx1
|
||||
|
||||
/* Restore 256-bit vector registers. */
|
||||
xvld xr0, sp, 0*SZXREG
|
||||
xvld xr1, sp, 1*SZXREG
|
||||
xvld xr2, sp, 2*SZXREG
|
||||
xvld xr3, sp, 3*SZXREG
|
||||
xvld xr4, sp, 4*SZXREG
|
||||
xvld xr5, sp, 5*SZXREG
|
||||
xvld xr6, sp, 6*SZXREG
|
||||
xvld xr7, sp, 7*SZXREG
|
||||
xvld xr8, sp, 8*SZXREG
|
||||
xvld xr9, sp, 9*SZXREG
|
||||
xvld xr10, sp, 10*SZXREG
|
||||
xvld xr11, sp, 11*SZXREG
|
||||
xvld xr12, sp, 12*SZXREG
|
||||
xvld xr13, sp, 13*SZXREG
|
||||
xvld xr14, sp, 14*SZXREG
|
||||
xvld xr15, sp, 15*SZXREG
|
||||
xvld xr16, sp, 16*SZXREG
|
||||
xvld xr17, sp, 17*SZXREG
|
||||
xvld xr18, sp, 18*SZXREG
|
||||
xvld xr19, sp, 19*SZXREG
|
||||
xvld xr20, sp, 20*SZXREG
|
||||
xvld xr21, sp, 21*SZXREG
|
||||
xvld xr22, sp, 22*SZXREG
|
||||
xvld xr23, sp, 23*SZXREG
|
||||
xvld xr24, sp, 24*SZXREG
|
||||
xvld xr25, sp, 25*SZXREG
|
||||
xvld xr26, sp, 26*SZXREG
|
||||
xvld xr27, sp, 27*SZXREG
|
||||
xvld xr28, sp, 28*SZXREG
|
||||
xvld xr29, sp, 29*SZXREG
|
||||
xvld xr30, sp, 30*SZXREG
|
||||
xvld xr31, sp, 31*SZXREG
|
||||
ADDI sp, sp, FRAME_SIZE_LASX
|
||||
b .Lfcsr
|
||||
|
||||
.Llsx1:
|
||||
andi t1, t0, HWCAP_LOONGARCH_LSX
|
||||
beqz t1, .Lfloat1
|
||||
|
||||
/* Restore 128-bit vector registers. */
|
||||
vld vr0, sp, 0*SZVREG
|
||||
vld vr1, sp, 1*SZVREG
|
||||
vld vr2, sp, 2*SZVREG
|
||||
vld vr3, sp, 3*SZVREG
|
||||
vld vr4, sp, 4*SZVREG
|
||||
vld vr5, sp, 5*SZVREG
|
||||
vld vr6, sp, 6*SZVREG
|
||||
vld vr7, sp, 7*SZVREG
|
||||
vld vr8, sp, 8*SZVREG
|
||||
vld vr9, sp, 9*SZVREG
|
||||
vld vr10, sp, 10*SZVREG
|
||||
vld vr11, sp, 11*SZVREG
|
||||
vld vr12, sp, 12*SZVREG
|
||||
vld vr13, sp, 13*SZVREG
|
||||
vld vr14, sp, 14*SZVREG
|
||||
vld vr15, sp, 15*SZVREG
|
||||
vld vr16, sp, 16*SZVREG
|
||||
vld vr17, sp, 17*SZVREG
|
||||
vld vr18, sp, 18*SZVREG
|
||||
vld vr19, sp, 19*SZVREG
|
||||
vld vr20, sp, 20*SZVREG
|
||||
vld vr21, sp, 21*SZVREG
|
||||
vld vr22, sp, 22*SZVREG
|
||||
vld vr23, sp, 23*SZVREG
|
||||
vld vr24, sp, 24*SZVREG
|
||||
vld vr25, sp, 25*SZVREG
|
||||
vld vr26, sp, 26*SZVREG
|
||||
vld vr27, sp, 27*SZVREG
|
||||
vld vr28, sp, 28*SZVREG
|
||||
vld vr29, sp, 29*SZVREG
|
||||
vld vr30, sp, 30*SZVREG
|
||||
vld vr31, sp, 31*SZVREG
|
||||
ADDI sp, sp, FRAME_SIZE_LSX
|
||||
b .Lfcsr
|
||||
|
||||
.Lfloat1:
|
||||
/* Restore float registers. */
|
||||
FREG_L fa0, sp, 0*SZFREG
|
||||
FREG_L fa1, sp, 1*SZFREG
|
||||
FREG_L fa2, sp, 2*SZFREG
|
||||
FREG_L fa3, sp, 3*SZFREG
|
||||
FREG_L fa4, sp, 4*SZFREG
|
||||
FREG_L fa5, sp, 5*SZFREG
|
||||
FREG_L fa6, sp, 6*SZFREG
|
||||
FREG_L fa7, sp, 7*SZFREG
|
||||
FREG_L ft0, sp, 8*SZFREG
|
||||
FREG_L ft1, sp, 9*SZFREG
|
||||
FREG_L ft2, sp, 10*SZFREG
|
||||
FREG_L ft3, sp, 11*SZFREG
|
||||
FREG_L ft4, sp, 12*SZFREG
|
||||
FREG_L ft5, sp, 13*SZFREG
|
||||
FREG_L ft6, sp, 14*SZFREG
|
||||
FREG_L ft7, sp, 15*SZFREG
|
||||
FREG_L ft8, sp, 16*SZFREG
|
||||
FREG_L ft9, sp, 17*SZFREG
|
||||
FREG_L ft10, sp, 18*SZFREG
|
||||
FREG_L ft11, sp, 19*SZFREG
|
||||
FREG_L ft12, sp, 20*SZFREG
|
||||
FREG_L ft13, sp, 21*SZFREG
|
||||
FREG_L ft14, sp, 22*SZFREG
|
||||
FREG_L ft15, sp, 23*SZFREG
|
||||
ADDI sp, sp, FRAME_SIZE_FLOAT
|
||||
|
||||
.Lfcsr:
|
||||
/* Restore fcsr0 register. */
|
||||
ld.w t0, sp, FRAME_SIZE + 24
|
||||
movgr2fcsr fcsr0, t0
|
||||
|
||||
#endif /* #ifndef __loongarch_soft_float */
|
||||
|
||||
REG_L ra, sp, 0 * SZREG
|
||||
REG_L a1, sp, 1 * SZREG
|
||||
REG_L a2, sp, 2 * SZREG
|
||||
REG_L a3, sp, 3 * SZREG
|
||||
REG_L a4, sp, 4 * SZREG
|
||||
REG_L a5, sp, 5 * SZREG
|
||||
REG_L a6, sp, 6 * SZREG
|
||||
REG_L a7, sp, 7 * SZREG
|
||||
REG_L t3, sp, 8 * SZREG
|
||||
REG_L t4, sp, 9 * SZREG
|
||||
REG_L t5, sp, 10 * SZREG
|
||||
REG_L t6, sp, 11 * SZREG
|
||||
REG_L t7, sp, 12 * SZREG
|
||||
REG_L t8, sp, 13 * SZREG
|
||||
ADDI sp, sp, FRAME_SIZE
|
||||
|
||||
b .Lret
|
||||
cfi_endproc
|
||||
.size _dl_tlsdesc_dynamic, .-_dl_tlsdesc_dynamic
|
||||
.hidden HIDDEN_JUMPTARGET(__tls_get_addr)
|
||||
|
||||
#endif /* #ifdef SHARED */
|
||||
|
||||
@ -43,10 +43,6 @@ extern ptrdiff_t attribute_hidden _dl_tlsdesc_undefweak (struct tlsdesc *);
|
||||
|
||||
#ifdef SHARED
|
||||
extern void *_dl_make_tlsdesc_dynamic (struct link_map *, size_t);
|
||||
#ifndef __loongarch_soft_float
|
||||
extern ptrdiff_t attribute_hidden _dl_tlsdesc_dynamic_lasx (struct tlsdesc *);
|
||||
extern ptrdiff_t attribute_hidden _dl_tlsdesc_dynamic_lsx (struct tlsdesc *);
|
||||
#endif
|
||||
extern ptrdiff_t attribute_hidden _dl_tlsdesc_dynamic (struct tlsdesc *);
|
||||
#endif
|
||||
|
||||
|
||||
@ -4,6 +4,12 @@
|
||||
#include <link.h>
|
||||
#include <dl-tlsdesc.h>
|
||||
|
||||
#define SHARED 1
|
||||
|
||||
#include <ldsodefs.h>
|
||||
|
||||
#define GLRO_offsetof(name) offsetof (struct rtld_global_ro, _##name)
|
||||
|
||||
--
|
||||
|
||||
-- Abuse tls.h macros to derive offsets relative to the thread register.
|
||||
@ -17,3 +23,6 @@ DTV_COUNTER offsetof(dtv_t, counter)
|
||||
TLS_DTV_UNALLOCATED TLS_DTV_UNALLOCATED
|
||||
TLS_DTV_OFFSET TLS_DTV_OFFSET
|
||||
SIZE_OF_TCB sizeof(tcbhead_t)
|
||||
GLRO_DL_HWCAP_OFFSET GLRO_offsetof (dl_hwcap)
|
||||
HWCAP_LOONGARCH_LSX HWCAP_LOONGARCH_LSX
|
||||
HWCAP_LOONGARCH_LASX HWCAP_LOONGARCH_LASX
|
||||
|
||||
Loading…
Reference in New Issue
Block a user